United States. Bureau of Reclamation. (1931). General information concerning Boulder Canyon Project. U.S. GPO.
Chicago Style (17th ed.) CitationUnited States. Bureau of Reclamation. General Information Concerning Boulder Canyon Project. Washington: U.S. GPO, 1931.
MLA (9th ed.) CitationUnited States. Bureau of Reclamation. General Information Concerning Boulder Canyon Project. U.S. GPO, 1931.
Warning: These citations may not always be 100% accurate.